Zesty Slow Cooker Barbecue Chicken

-Place chicken in a slow cooker. In a bowl, mix the barbecue sauce, Italian salad dressing, brown sugar, and Worcestershire sauce. Pour over the chicken.-Cover, and cook 3-4 hours on High or 6-8 hours on Low.-About 1 hour prior to serving time, shred chicken and put back in sauce and stir to let it soak up the sauce.-Serve on toasted buns with some spicy pepper jack cheese. YUM!!!